Surface thermodynamics of DMA2P, DMA2P-MEA and DMA2P-PZ aqueous solutions

被引：8

作者：

Fu, Dong ^{[1
]}

Wang, LeMeng ^{[1
]}

Tian, XiangFeng ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Environm Sci & Engn, Baoding 071003, Peoples R China

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2017年 / 107卷

基金：

中国国家自然科学基金;

关键词：

Surface tension; Surface thermodynamics; DMA2P; MEA; PZ; CO2 CAPTURE TECHNOLOGY; 50; DEGREES-C; CARBON-DIOXIDE; N-METHYLDIETHANOLAMINE; BINARY-MIXTURES; MASS-TRANSFER; TENSION; 1-DIMETHYLAMINO-2-PROPANOL; ABSORPTION; AMINES;

D O I：

10.1016/j.jct.2016.12.022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The surface tension (gamma) of 1-dimethylamino-2-propanol (DMA2P), DMA2P-monoethanolamine (MEA), and DMA2P-piperazine (PZ) aqueous solutions was measured by using the BZY-1 surface tension meter. The temperature ranged from 303.2 K to 323.2 K. The mass fractions of DMA2P, MEA and PZ respectively ranged from 030 to 0.50, 0.05 to 0.15 and 0.025 to 0.075. An equation was proposed to model the surface tension and the calculated results agreed well with the experiments. The surface thermodynamics including surface enthalpy and surface entropy were determined and their concentration dependence was analysed. (c) 2016 Elsevier Ltd.

引用

页码：79 / 84

页数：6

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